CN111364571B - Sponge urban rainwater collection and purification system - Google Patents
Sponge urban rainwater collection and purification system Download PDFInfo
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- CN111364571B CN111364571B CN202010188147.3A CN202010188147A CN111364571B CN 111364571 B CN111364571 B CN 111364571B CN 202010188147 A CN202010188147 A CN 202010188147A CN 111364571 B CN111364571 B CN 111364571B
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- 238000000746 purification Methods 0.000 title claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 190
- 238000005086 pumping Methods 0.000 claims abstract description 11
- 239000004744 fabric Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 101100366940 Mus musculus Stom gene Proteins 0.000 claims description 6
- 239000003651 drinking water Substances 0.000 claims description 6
- 235000020188 drinking water Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 241000196324 Embryophyta Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000002689 soil Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008635 plant growth Effects 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of sponge cities, in particular to a rainwater collecting and purifying system for a sponge city, which comprises a water storage tank and a purifying tank, wherein the water storage tank and the purifying tank are buried underground, the top of the purifying tank is provided with a rainwater inlet, a water pumping pipe is led out from the water storage tank, the purifying tank comprises a settling chamber and an overflow chamber, the rainwater inlet is positioned at the top of the settling chamber, a pump and a dual-purpose suction pipe are led out from the settling chamber, the settling chamber and the overflow chamber are arranged in a manner of surrounding the water storage tank, the overflow chamber and the settling chamber are communicated only through a circle of equal-height overflow holes, the overflow chamber and the water storage tank are communicated only through a circle of equal-height water flowing holes, the overflow holes are higher than the water. The system not only has the function of purifying turbid rainwater, but also can conveniently remove sediments, and has more advantages than a gridding hollow rainwater storage module; the structure has high strength, the service life of the underground buried structure is long, and the energy-saving and emission-reducing effects are achieved; buried underground, does not pollute the soil and does not influence the growth of plants, and has the advantage of environmental protection.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a rainwater collecting and purifying system for a sponge city.
Background
The concepts of sponge cities are clearly defined by the technical guidelines for sponge city construction, namely the construction (trial) of a low-impact rainwater development system, and the connotation, the approach and the prospect of a sponge city (LID), published by the enkef, that is, the cities can be like sponges, have good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorb, store, seep and purify water during raining, and release and utilize the stored water when needed.
The rainwater collection system in sponge city includes three parts at present: roof rainwater collecting system, roof rainwater absorption system, ground rainwater collecting system. At present, the roof rainwater collecting and absorbing device is less applied in two aspects of roof rainwater collecting and absorbing in China, and mainly collects rainwater converged on the ground.
The conventional ground rainwater collecting system and the drainage system are integrated without detailed differentiation, and the system brings much inconvenience to rainwater collecting work. The ground rainwater collecting system in the concept of sponge city is independent and separated from the drainage system, and the division has obvious effect. The ground rainwater collection system collects rainwater, and the rainwater is converged into a special water storage system, so that the daily urban construction needs can be met, and the waste of water resources can be effectively avoided.
The specific conception of the ground rainwater collecting system is as follows: the original pavement materials are abandoned in the process of urban pavement construction, and the novel permeable floor tiles or permeable concrete are adopted to carry out the relevant work of urban construction. In addition, a collecting device is buried underground on the road surface, and rainwater can permeate into the underground collecting device through the permeable floor tiles, so that the water quantity on the ground can be reduced, and water can be stored.
The collection device that is widely used at present is fretwork, latticed rainwater retaining module, and rainwater retaining module adopts the box that the polypropylene material makeed modular size, puts things in good order a plurality of boxes into rainwater "matrix" pond, because its latticed hollow structure, the structure occupation space of material is less than 5%, and the retaining space of module reaches more than 95% promptly. However, the rainwater storage module does not have water purification capacity, a filter layer is required to be laid above the rainwater storage module, and sand is usually laid to serve as the filter layer. Because the sand bed does not have self-cleaning ability, therefore it is serious to receive pollution and jam after long-time use, need trade sand or wash sand, and not only work load is big, and is with high costs moreover, so a rainwater collection system that has the function of purifying rainwater is demanded urgently.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a sponge urban rainwater collecting and purifying system which has the advantage of purifying rainwater without a filter layer.
The above object of the present invention is achieved by the following technical solutions: the invention relates to a sponge urban rainwater collecting and purifying system, which comprises a water storage tank and a purifying tank which are buried underground, wherein the top of the purifying tank is provided with a rainwater inlet, a water pumping pipe is led out from the water storage tank, the purifying tank comprises a settling chamber and an overflow chamber, the rainwater inlet is positioned at the top of the settling chamber, a pump and a dual-purpose suction pipe are led out from the settling chamber, the settling chamber and the overflow chamber are arranged by surrounding the water storage tank, the overflow chamber is communicated with the settling chamber only through a circle of equal-height overflow holes, the overflow chamber is communicated with the water storage tank only through a circle of equal-height water flowing holes, the overflow holes are higher than the water flowing holes, the water flowing holes are higher than the bottom of the water storage tank, and the water storage tank is communicated with the; a water-stop plate surrounding the water storage tank is arranged in the purification tank, the water-stop plate is used for guiding rainwater at the rainwater inlet to the bottom of the settling chamber, and the bottom end of the water-stop plate is away from the bottom of the settling chamber; when the water level in the water storage tank is equal to the height of the overflow hole, the volume of the liquid in the water storage tank is larger than the volume of the solid-liquid mixture in the settling chamber.
Through adopting above-mentioned technical scheme, during rainy, the rainwater of infiltration soil flows into the drip chamber from the inlet for stom water, the solid impurity of rainwater deposits to the bottom of the pool, the upper strata is the clear water, under the effect of water-stop sheet, the muddy rainwater of inlet for stom water inflow can not influence the clear water, when the clear water level reaches overflow hole height, continuous intaking of inlet for stom water can make the clear water flow into the overflow chamber through the overflow hole, clear water rethread flow water hole inflow water storage box after that, people use through the clear water of drinking-water pipe in taking out the water storage box.
When people find that the clear water pumped out of the water storage tank contains more impurities, the excessive deposition of solid impurities in the settling chamber can be judged, at the moment, people firstly pump the water in the settling chamber by using the pump and the suction dual-purpose pipe to dry, then pump the water into the settling chamber by using the pump and the suction dual-purpose pipe to wash the bottom of the pool, and finally suck out a solid-liquid mixture to finish the cleaning.
Above-mentioned in-process, this system has the function of purifying muddy rainwater, can conveniently clear away the precipitate moreover (and the rainwater retaining module of latticed fretwork then can not) to need not to add in addition the filter layer (and the rainwater retaining module of latticed fretwork need add the filter layer), therefore this system compares and has very big advantage in the rainwater retaining module of latticed fretwork.
Preferably, still including burying in the underground watertight water conservancy diversion cloth, water conservancy diversion cloth is to leak hopper-shaped and buries in plant roots below, and the lower of water conservancy diversion cloth is equipped with the hole that leaks, and the hole that leaks is located the drip chamber, and the vertical projection area of water conservancy diversion cloth is greater than the sum of the vertical projection area of water storage box and purifying box.
By adopting the technical scheme, the water collection efficiency of the system is improved by the flow guide cloth, and the growth of plants is not influenced; the geotextile is used as the flow guide cloth, and the cost is low.
Preferably, the outer side wall of the purification box is conical or arched.
By adopting the technical scheme, the purification boxes with the two shapes have the advantage of high compressive strength, and the system can be buried under roads and pipelines for years without being crushed.
Preferably, the inner wall of the bottom of the purifying box is in a concave arch shape.
By adopting the technical scheme, the solid impurities deposited at the bottom of the settling chamber are easy to wash and not adhered.
Preferably, a circle of annular cover is fixed on the outer side wall of the water storage tank, the annular cover and the outer side wall of the water storage tank enclose an overflow chamber, the outer top surface of the annular cover protrudes upwards, and the overflow hole is located on the side surface of the annular cover.
By adopting the technical scheme, the outer top surface of the annular cover is convex upwards, so that solid impurities can be prevented from accumulating at the position; the overflow hole is positioned on the side surface of the annular cover, and the overflow hole can be prevented from being polluted by dirty rainwater flowing through the top surface of the annular cover.
Preferably, the annular shroud is located on top of the outer side wall of the cistern.
By adopting the technical scheme, the water accumulated at a higher water level in the settling chamber can overflow, so that the water clarification time is prolonged, and the purity of the upper clear water in the settling chamber is improved.
Preferably, a water level sensor is fixed on the inner wall of the water storage tank, and the water level sensor is equal to the overflow hole in height.
Through adopting above-mentioned technical scheme, when level sensor was triggered, it has kept level with the water storage box internal water level to explain the interior water level of drip chamber, and the drip chamber refluxes muddy rainwater this moment and can make the interior water level of drip chamber be higher than the overflow hole, also makes the floating impurity of indoor clear water below have the chance to get into the water storage box through overflow hole and discharge orifice, leads to quality of water in the water storage box to worsen. Therefore, the water level sensor is triggered to warn that the water storage tank is full, people can timely pump the water in the water storage tank, the purity of the water in the water storage tank is kept, and the system is also kept to have the capability of continuously collecting rainwater.
Preferably, the reservoir has an upper convex chamber and a lower concave chamber therein.
By adopting the technical scheme, the water storage tank has good compressive strength and larger water storage capacity.
Preferably, a plurality of electric valves are arranged on the pump and suction dual-purpose pipe from low to high along the length direction of the pump and suction dual-purpose pipe, and all the electric valves are positioned between the bottom of the settling chamber and the overflow hole.
By adopting the technical scheme, when the rainfall is less and the water storage tank is available without water (but the precipitation chamber has water lower than the overflow hole), the electric valve is opened through remote control, and the upper clear water in the precipitation chamber can be extracted for use. When the pumped water becomes turbid, the water pumping is stopped, the electric valve is closed, the next lower electric valve is remotely controlled to be opened for pumping out the clear water, and the like.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the system not only has the function of purifying turbid rainwater, but also can conveniently remove sediments, and has more advantages than a gridding hollow rainwater storage module;
2. the structure has high strength, the service life of the underground buried structure is long, and the energy-saving and emission-reducing effects are achieved;
3. buried underground, does not pollute the soil and does not influence the growth of plants, and has the advantage of environmental protection.
Drawings
FIG. 1 is a half-sectional view of a sponge urban rainwater collection and purification system;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure, 1, a water storage tank; 2. a purification box; 3. a rainwater inlet; 4. a water pumping pipe; 5. a settling chamber; 6. an overflow chamber; 7. a pump and suction tube; 8. an overflow aperture; 9. a water flowing hole; 10. flow guiding cloth; 11. a water leakage hole; 12. an annular shroud; 13. a water level sensor; 14. an upper convex cavity; 15. a lower concave cavity; 16. an electrically operated valve; 17. a water-stop sheet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the sponge urban rainwater collecting and purifying system disclosed by the invention comprises a water storage tank 1 and a purifying tank 2 which are buried underground, wherein the water storage tank 1 is integrally formed by an upper part and a lower part, and the outer side wall of the purifying tank 2, the upper part of the water storage tank 1 and the lower part of the water storage tank 1 can be conical, pyramid or arch-shaped. An upper convex cavity 14 is defined by the inner wall of the upper part of the water storage tank 1, the upper convex cavity 14 is inserted into the purification tank 2 from bottom to top, and a lower concave cavity 15 is defined by the inner wall of the lower part of the water storage tank 1. The inner wall of the bottom of the purifying box 2 is in a concave arch shape, and the bottom of the purifying box 2 is connected with the waist of the water storage box 1 into a whole by the bottom of the purifying box.
As shown in fig. 2, a ring of annular cover 12 is fixed on the top of the outer side wall of the water storage tank 1, an overflow chamber 6 is enclosed by the annular cover 12 and the outer side wall of the water storage tank 1, the outer top surface of the annular cover 12 is protruded upwards, and a ring of overflow holes 8 with uniform intervals and equal height are formed in the side surface of the annular cover 12. The top surface of annular cover 12 extends and sets up water-stop sheet 17 around water storage box 1, and 2 tops of purifying box are equipped with into inlet for stom water 3, and muddy rainwater flows to the top surface of annular cover 12 from inlet for stom water 3, then flows to purifying box 2 bottoms along water-stop sheet 17.
As shown in figure 1, the water-stop sheet 17 is not in contact with the inner wall of the purification box 2 and the outer wall of the water storage box 1, and the bottom end of the water-stop sheet 17 is 10-50 cm away from the bottom of the settling chamber 5.
As shown in figure 1, the round hole is seted up at water storage box 1 top, seamless fixed drinking-water pipe 4 in the round hole, and drinking-water pipe 4 bottom extends water storage box 1 bottom, top and connects the water pipe, and people use through drinking-water pipe 4 in the water storage box 1 clear water of taking out when needing the water. The space that purifying box 2 and 1 outer walls of water storage box enclose is divided into two parts: a settling chamber 5 and an overflow chamber 6. Both the settling chamber 5 and the overflow chamber 6 are arranged around the reservoir 1, wherein the gully 3 is located at the top of the settling chamber 5.
As shown in fig. 2, the overflow chamber 6 is communicated with the settling chamber 5 only through a circle of overflow holes 8 with equal height, the overflow chamber 6 is communicated with the water storage tank 1 only through a circle of water flowing holes 9 with equal height, the overflow holes 8 are higher than the water flowing holes 9, and the water storage tank 1 is communicated with the outside only through the water pumping pipe 4 and the water flowing holes 9. The volume of the water storage tank 1 is far larger than that of the settling chamber 5, and the specific expression is as follows: when the water level in the water storage tank 1 is equal to the height of the overflow hole 8, the volume of the liquid in the water storage tank 1 is far larger than the volume of the solid-liquid mixture in the settling chamber 5.
As shown in fig. 1, a water-tight flow guide cloth 10 is inserted into the rainwater inlet 3, most of the flow guide cloth 10 is located outside the purifying tank 2, and the vertical projection area of the flow guide cloth 10 is larger than the sum of the vertical projection areas of the water storage tank 1 and the purifying tank 2. The water conservancy diversion cloth 10 is hopper-shaped buries in plant roots below 50cm at least department, and the water leakage hole 11 (see fig. 2) is set up to the lowest department of water conservancy diversion cloth 10, and the water leakage hole 11 is located the drip chamber 5.
As shown in fig. 2, a pump and suction dual-purpose pipe 7 is led out from the settling chamber 5, the pump and suction dual-purpose pipe 7 passes through the water leakage hole 11, a plurality of electric valves 16 are uniformly arranged on the pump and suction dual-purpose pipe 7 along the length direction from low to high at intervals, and all the electric valves 16 are positioned between the bottom of the settling chamber 5 and the overflow hole 8. A water level sensor 13 is fixed on the inner wall of the water storage tank 1, and the water level sensor 13 is as high as the overflow hole 8.
The implementation principle of the embodiment is as follows: when raining, the rainwater of infiltration soil flows into precipitation chamber 5 from inlet 3, and solid impurity in the rainwater deposits to the bottom of the pool, and the upper strata is the clear water, under the effect of water-stop sheet 17, and the muddy rainwater of inlet 3 inflow can not influence the clear water, and when the clear water level reached overflow hole 8 height, continuous intaking of inlet 3 can make the clear water flow into overflow chamber 6 through overflow hole 8, and clear water rethread flows into water storage box 1 through water hole 9 after that, and people take the clear water in water storage box 1 out through drinking-water pipe 4 and use.
When people find that the clear water pumped out of the water storage tank 1 contains more impurities, the excessive deposition of solid impurities in the settling chamber 5 can be judged, at the moment, people firstly pump the water in the settling chamber 5 by using the dual-purpose pipe 7 for pumping and then pump the water to the bottom of the pool in the settling chamber 5 by using the dual-purpose pipe 7 for pumping and finally pump out a solid-liquid mixture to finish the cleaning.
When the water level sensor 13 is triggered, it indicates that the water level in the settling chamber 5 is equal to the water level in the water storage tank 1, and then the water level in the settling chamber 5 is higher than the overflow hole 8 when turbid rainwater flows into the settling chamber 5, and floating impurities below clean water in the settling chamber 5 have an opportunity to enter the water storage tank 1 through the overflow hole 8 and the drain hole 9, so that the water quality in the water storage tank 1 is deteriorated. Therefore, the water level sensor 13 is triggered to warn that the water storage tank is full, people can timely pump the water in the water storage tank 1, thereby keeping the purity of the water in the water storage tank 1 and also keeping the system to have the capability of continuously collecting rainwater.
When the rainfall is low and the water storage tank 1 is available without water (but the settling chamber 5 has water lower than the overflow hole 8), the electric valve 16 is opened by remote control, and the upper layer of clear water in the settling chamber 5 can be extracted for use. When the pumped water becomes turbid, the water pumping is stopped, the electric valve 16 is closed, the electric valve 16 close to the lower part is remotely controlled to be opened for pumping out the clear water, and the like.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. The utility model provides a clean system is collected to sponge urban rainwater, is equipped with into inlet for stom water (3) including burying in underground water storage box (1) and purifying box (2), purifying box (2) top, and it has drinking-water pipe (4), its characterized in that to derive in water storage box (1): the purification box (2) comprises a settling chamber (5) and an overflow chamber (6), a rainwater inlet (3) is positioned at the top of the settling chamber (5), a pump and a suction dual-purpose pipe (7) are led out of the settling chamber (5), the settling chamber (5) and the overflow chamber (6) are arranged to surround the water storage box (1), the overflow chamber (6) is communicated with the settling chamber (5) only through a circle of overflow holes (8) with equal height, the overflow chamber (6) is communicated with the water storage box (1) only through a circle of water flowing holes (9) with equal height, the overflow holes (8) are higher than the water flowing holes (9), the water flowing holes (9) are higher than the bottom of the water storage box (1), and the water storage box (1) is communicated with the outside only through a water pumping pipe (4) and the water flowing holes (9);
a ring of annular cover (12) is fixed at the top of the outer side wall of the water storage tank (1), an overflow chamber (6) is defined by the annular cover (12) and the outer side wall of the water storage tank (1), the outer top surface of the annular cover (12) is protruded upwards, and an overflow hole (8) is positioned on the side surface of the annular cover (12);
a water-stop sheet (17) surrounding the water storage tank (1) is arranged in the purification tank (2) and extends from the top surface of the annular cover (12), the water-stop sheet (17) is not in contact with the inner wall of the purification tank (2) and the outer wall of the water storage tank (1), the water-stop sheet (17) is used for guiding rainwater at the rainwater inlet (3) to the bottom of the settling chamber (5), and the bottom end of the water-stop sheet (17) has a distance from the bottom of the settling chamber (5); when the water level in the water storage tank (1) is equal to the height of the overflow hole (8), the volume of the liquid in the water storage tank (1) is larger than the volume of the solid-liquid mixture in the settling chamber (5).
2. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: still including burying in underground watertight water conservancy diversion cloth (10), water conservancy diversion cloth (10) are to leak hopper-shaped and bury in plant roots below, and water conservancy diversion cloth (10) is equipped with hole (11) that leaks in the lower, and hole (11) that leaks are located drip chamber (5), and the vertical projection area of water conservancy diversion cloth (10) is greater than the vertical projection area sum of water storage box (1) and purifying box (2).
3. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: the outer side wall of the purifying box (2) is conical or arched.
4. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: the inner wall of the box bottom of the purifying box (2) is in a concave arch shape.
5. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: a water level sensor (13) is fixed on the inner wall of the water storage tank (1), and the water level sensor (13) is as high as the overflow hole (8).
6. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: the water storage tank (1) is internally provided with an upper convex cavity (14) and a lower concave cavity (15).
7. The sponge urban rainwater collection and purification system according to claim 1, characterized in that: a plurality of electric valves (16) are arranged on the pump and suction dual-purpose pipe (7) from low to high along the length direction of the pump and suction dual-purpose pipe, and all the electric valves (16) are positioned between the bottom of the settling chamber (5) and the overflow hole (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188147.3A CN111364571B (en) | 2020-03-17 | 2020-03-17 | Sponge urban rainwater collection and purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188147.3A CN111364571B (en) | 2020-03-17 | 2020-03-17 | Sponge urban rainwater collection and purification system |
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| CN111364571A CN111364571A (en) | 2020-07-03 |
| CN111364571B true CN111364571B (en) | 2020-12-22 |
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| CN115559409B (en) * | 2022-09-05 | 2023-08-29 | 国合绿材科技(江苏)有限公司 | Intelligent sponge urban rainwater efficient collection, purification and recycling process and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102007034213B4 (en) * | 2007-07-23 | 2012-11-22 | Pierre Brunner | Sedimentation tank, in particular bedding shaft |
| CN101886410B (en) * | 2010-07-05 | 2011-10-26 | 北京科技大学 | Initial rainwater discarding device |
| KR101446275B1 (en) * | 2014-02-17 | 2014-10-02 | (주) 한길산업 | Rainwater retention and infiltration system preventing road and sidewalk flood damage and lowering non-point source cotaminant and its construction method |
| CN105417859A (en) * | 2015-11-24 | 2016-03-23 | 滨州学院 | Rainwater treatment device and method for rainwater and sewage running water pollution treatment |
| CN207919696U (en) * | 2017-12-25 | 2018-09-28 | 中冶京诚工程技术有限公司 | Sponge urban rainwater holds and oozes clean system |
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